Files with xpi extension can be commonly encountered as various Firefox plugins or add-on files. Add-ons enhance current features of the browser or add completely new functions or mini programs to the program (such as weather forecast, dictionary, password storage etc.).
Software that open xpi file
XPI file extension - Firefox browser extension
What is xpi file? How to open xpi files?
File extension xpi is associated with Firefox or Mozilla web browsers and used for its plugins and add-ons.
The XPI archive contains: installation settings (.rdf file extension), Manifest file (.manifest file extension), graphics files (.png, .jpg, .gif), and other data stored in .css, .js files. This is basically a ZIP file that, when opened by the Firefox browser utility, installs a browser extension. This extension applies to both Mozilla and Firefox browsers.
Other web browsers based on Firefox Gecko core, such as Seamonkey, use extensions in .xpi containers. However not all Firefox extensions are compatible with other Gecko based browsers.
MIME type used for xpi firefox plugins: application/x-xpinstall
What are Firefox extensions or Firefox Add-ons?
Firefox add-ons are small pieces of software that can add new features or tiny tweaks to customize your Firefox browser. They can add new search engines or dictionaries in other languages, change the whole look of Firefox with a new theme, or much much more. Take a look around and see what add-ons can do for you.
See related links to open Firefox addons website.
Updated: November 16, 2023
The default software associated to open xpi file:
Company or developer:
Mozilla Corporation
Firefox is very popular free open source web browser with many features. Firefox uses Gecko layout engine that implements most web standards including new HTML5.
Firefox supports tabbed browsing, private browsing, spell checking, incremental find, bookmarking etc. Other features can be added via extensions and add-ons, such as NoScript, Tab Mix Plus. FoxyTunes, Web Developer.
List of recommended software applications associated to the .xpi file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open xpi file, edit xpi file, convert xpi file, view xpi file, play xpi file etc. (if exist software for corresponding action in File-Extensions.org's database).
Software that import xpi file - Firefox browser extension
Programs supporting the exension xpi on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for import xpi file action.
Microsoft Windows:
Main software associated with xpi file by default: Firefox
Other suggested software: SeaMonkey
Mozilla Thunderbird